/*
 * Allwinner SoCs display driver.
 *
 * Copyright (C) 2016 Allwinner.
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include "inet_dsi_panel.h"
#include "panels.h"

extern s32 bsp_disp_get_panel_info(u32 screen_id, struct disp_panel_para *info);
static void LCD_power_on(u32 sel);
static void LCD_power_off(u32 sel);
static void LCD_bl_open(u32 sel);
static void LCD_bl_close(u32 sel);

static void LCD_panel_init(u32 sel);
static void LCD_panel_exit(u32 sel);

static u8 const mipi_dcs_pixel_format[4] = {0x77, 0x66, 0x66, 0x55};
#define panel_reset(val) sunxi_lcd_gpio_set_value(sel, 1, val)
#define power_en(val) sunxi_lcd_gpio_set_value(sel, 0, val)

static void LCD_cfg_panel_info(struct panel_extend_para *info)
{
	u32 i = 0, j = 0;
	u32 items;
	u8 lcd_gamma_tbl[][2] = {
	    /*{input value, corrected value} */
	    {0, 0},     {15, 15},   {30, 30},   {45, 45},   {60, 60},
	    {75, 75},   {90, 90},   {105, 105}, {120, 120}, {135, 135},
	    {150, 150}, {165, 165}, {180, 180}, {195, 195}, {210, 210},
	    {225, 225}, {240, 240}, {255, 255},
	};

	u32 lcd_cmap_tbl[2][3][4] = {
	    {
		{LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
		{LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
		{LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
	    },
	    {
		{LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
		{LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
		{LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
	    },
	};

	items = sizeof(lcd_gamma_tbl) / 2;
	for (i = 0; i < items - 1; i++) {
		u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0];

		for (j = 0; j < num; j++) {
			u32 value = 0;

			value =
			    lcd_gamma_tbl[i][1] +
			    ((lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1]) *
			     j) /
				num;
			info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] =
			    (value << 16) + (value << 8) + value;
		}
	}
	info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items - 1][1] << 16) +
				   (lcd_gamma_tbl[items - 1][1] << 8) +
				   lcd_gamma_tbl[items - 1][1];

	memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));
}

static s32 LCD_open_flow(u32 sel)
{
	LCD_OPEN_FUNC(sel, LCD_power_on,
		      100); /* open lcd power, and delay 50ms */
	LCD_OPEN_FUNC(sel, LCD_panel_init,
		      200); /* open lcd power, than delay 200ms */
	LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable,
		      50); /* open lcd controller, and delay 100ms */
	LCD_OPEN_FUNC(sel, LCD_bl_open,
		      0); /* open lcd backlight, and delay 0ms */

	return 0;
}

static s32 LCD_close_flow(u32 sel)
{
	LCD_CLOSE_FUNC(sel, LCD_bl_close,
		       200); /* close lcd backlight, and delay 0ms */
	LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable,
		       20); /* close lcd controller, and delay 0ms */
	LCD_CLOSE_FUNC(sel, LCD_panel_exit,
		       10); /* open lcd power, than delay 200ms */
	LCD_CLOSE_FUNC(sel, LCD_power_off,
		       500); /* close lcd power, and delay 500ms */

	return 0;
}

static void LCD_power_on(u32 sel)
{
	sunxi_lcd_power_enable(sel, 0); /* config lcd_power pin to open lcd */
					/* power */
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_enable(sel,
			       1); /* config lcd_power pin to open lcd power1 */
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_enable(sel,
			       2); /* config lcd_power pin to open lcd power2 */
	sunxi_lcd_delay_ms(5);
	power_en(1);
	sunxi_lcd_delay_ms(20);
	panel_reset(1);
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_pin_cfg(sel, 1);
}

static void LCD_power_off(u32 sel)
{
	sunxi_lcd_pin_cfg(sel, 0);
	power_en(0);
	sunxi_lcd_delay_ms(20);
	panel_reset(0);
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(
	    sel, 2); /* config lcd_power pin to close lcd power2 */
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(
	    sel, 1); /* config lcd_power pin to close lcd power1 */
	sunxi_lcd_delay_ms(5);
	sunxi_lcd_power_disable(
	    sel, 0); /* config lcd_power pin to close lcd power */
}

static void LCD_bl_open(u32 sel)
{
	sunxi_lcd_pwm_enable(sel);
	sunxi_lcd_delay_ms(50);
	sunxi_lcd_backlight_enable(
	    sel); /* config lcd_bl_en pin to open lcd backlight */
}

static void LCD_bl_close(u32 sel)
{
	sunxi_lcd_backlight_disable(
	    sel); /* config lcd_bl_en pin to close lcd backlight */
	sunxi_lcd_delay_ms(20);
	sunxi_lcd_pwm_disable(sel);
}

#define REGFLAG_DELAY 0XFE
#define REGFLAG_END_OF_TABLE 0xFF /* END OF REGISTERS MARKER */

struct LCM_setting_table {
	u8 cmd;
	u32 count;
	u8 para_list[64];
};

/*add panel initialization below*/

static struct LCM_setting_table LCM_LT080B21BA94_setting[] = {
	{0xE0, 1, { 0x00 } },
	{0xE1, 1, { 0x93 } },
	{0xE2, 1, { 0x65 } },
	{0xE3, 1, { 0xF8 } },
	{0xE0, 1, { 0x00 } },
	{0x70, 1, { 0x02 } },
	{0x71, 1, { 0x23 } },
	{0x72, 1, { 0x06 } },
	{0xE0, 1, { 0x01 } },
	{0x00, 1, { 0x00 } },
	{0x01, 1, { 0xA0 } },
	{0x03, 1, { 0x00 } },
	{0x04, 1, { 0xA0 } },
	{0x17, 1, { 0x00 } },
	{0x18, 1, { 0xB1 } },
	{0x19, 1, { 0x00 } },
	{0x1A, 1, { 0x00 } },
	{0x1B, 1, { 0xB1 } },
	{0x1C, 1, { 0x00 } },
	{0x1F, 1, { 0x48 } },
	{0x20, 1, { 0x23 } },
	{0x21, 1, { 0x23 } },
	{0x22, 1, { 0x0E } },
	{0x23, 1, { 0x00 } },
	{0x24, 1, { 0x38 } },
	{0x26, 1, { 0xD3 } },
	{0x37, 1, { 0x59 } },
	{0x38, 1, { 0x05 } },
	{0x39, 1, { 0x08 } },
	{0x3A, 1, { 0x12 } },
	{0x3C, 1, { 0x78 } },
	{0x3E, 1, { 0x80 } },
	{0x3F, 1, { 0x80 } },
	{0x40, 1, { 0x06 } },
	{0x41, 1, { 0xA0 } },
	{0x55, 1, { 0x0F } },
	{0x56, 1, { 0x01 } },
	{0x57, 1, { 0x85 } },
	{0x58, 1, { 0x0A } },
	{0x59, 1, { 0x0A } },
	{0x5A, 1, { 0x32 } },
	{0x5B, 1, { 0x0F } },
	{0x5D, 1, { 0x7C } },
	{0x5E, 1, { 0x62 } },
	{0x5F, 1, { 0x50 } },
	{0x60, 1, { 0x42 } },
	{0x61, 1, { 0x3D } },
	{0x62, 1, { 0x2D } },
	{0x63, 1, { 0x30 } },
	{0x64, 1, { 0x19 } },
	{0x65, 1, { 0x30 } },
	{0x66, 1, { 0x2E } },
	{0x67, 1, { 0x2D } },
	{0x68, 1, { 0x4A } },
	{0x69, 1, { 0x3A } },
	{0x6A, 1, { 0x43 } },
	{0x6B, 1, { 0x37 } },
	{0x6C, 1, { 0x37 } },
	{0x6D, 1, { 0x2D } },
	{0x6E, 1, { 0x1F } },
	{0x6F, 1, { 0x00 } },
	{0x70, 1, { 0x7C } },
	{0x71, 1, { 0x62 } },
	{0x72, 1, { 0x50 } },
	{0x73, 1, { 0x42 } },
	{0x74, 1, { 0x3D } },
	{0x75, 1, { 0x2D } },
	{0x76, 1, { 0x30 } },
	{0x77, 1, { 0x19 } },
	{0x78, 1, { 0x30 } },
	{0x79, 1, { 0x2E } },
	{0x7A, 1, { 0x2D } },
	{0x7B, 1, { 0x4A } },
	{0x7C, 1, { 0x3A } },
	{0x7D, 1, { 0x43 } },
	{0x7E, 1, { 0x37 } },
	{0x7F, 1, { 0x37 } },
	{0x80, 1, { 0x2D } },
	{0x81, 1, { 0x1F } },
	{0x82, 1, { 0x00 } },
	{0xE0, 1, { 0x02 } },
	{0x00, 1, { 0x1F } },
	{0x01, 1, { 0x1F } },
	{0x02, 1, { 0x13 } },
	{0x03, 1, { 0x11 } },
	{0x04, 1, { 0x0B } },
	{0x05, 1, { 0x0B } },
	{0x06, 1, { 0x09 } },
	{0x07, 1, { 0x09 } },
	{0x08, 1, { 0x07 } },
	{0x09, 1, { 0x1F } },
	{0x0A, 1, { 0x1F } },
	{0x0B, 1, { 0x1F } },
	{0x0C, 1, { 0x1F } },
	{0x0D, 1, { 0x1F } },
	{0x0E, 1, { 0x1F } },
	{0x0F, 1, { 0x07 } },
	{0x10, 1, { 0x05 } },
	{0x11, 1, { 0x05 } },
	{0x12, 1, { 0x01 } },
	{0x13, 1, { 0x03 } },
	{0x14, 1, { 0x1F } },
	{0x15, 1, { 0x1F } },
	{0x16, 1, { 0x1F } },
	{0x17, 1, { 0x1F } },
	{0x18, 1, { 0x12 } },
	{0x19, 1, { 0x10 } },
	{0x1A, 1, { 0x0A } },
	{0x1B, 1, { 0x0A } },
	{0x1C, 1, { 0x08 } },
	{0x1D, 1, { 0x08 } },
	{0x1E, 1, { 0x06 } },
	{0x1F, 1, { 0x1F } },
	{0x20, 1, { 0x1F } },
	{0x21, 1, { 0x1F } },
	{0x22, 1, { 0x1F } },
	{0x23, 1, { 0x1F } },
	{0x24, 1, { 0x1F } },
	{0x25, 1, { 0x06 } },
	{0x26, 1, { 0x04 } },
	{0x27, 1, { 0x04 } },
	{0x28, 1, { 0x00 } },
	{0x29, 1, { 0x02 } },
	{0x2A, 1, { 0x1F } },
	{0x2B, 1, { 0x1F } },
	{0x2C, 1, { 0x1F } },
	{0x2D, 1, { 0x1F } },
	{0x2E, 1, { 0x00 } },
	{0x2F, 1, { 0x02 } },
	{0x30, 1, { 0x08 } },
	{0x31, 1, { 0x08 } },
	{0x32, 1, { 0x0A } },
	{0x33, 1, { 0x0A } },
	{0x34, 1, { 0x04 } },
	{0x35, 1, { 0x1F } },
	{0x36, 1, { 0x1F } },
	{0x37, 1, { 0x1F } },
	{0x38, 1, { 0x1F } },
	{0x39, 1, { 0x1F } },
	{0x3A, 1, { 0x1F } },
	{0x3B, 1, { 0x04 } },
	{0x3C, 1, { 0x06 } },
	{0x3D, 1, { 0x06 } },
	{0x3E, 1, { 0x12 } },
	{0x3F, 1, { 0x10 } },
	{0x40, 1, { 0x1F } },
	{0x41, 1, { 0x1F } },
	{0x42, 1, { 0x1F } },
	{0x43, 1, { 0x1F } },
	{0x44, 1, { 0x01 } },
	{0x45, 1, { 0x03 } },
	{0x46, 1, { 0x09 } },
	{0x47, 1, { 0x09 } },
	{0x48, 1, { 0x0B } },
	{0x49, 1, { 0x0B } },
	{0x4A, 1, { 0x05 } },
	{0x4B, 1, { 0x1F } },
	{0x4C, 1, { 0x1F } },
	{0x4D, 1, { 0x1F } },
	{0x4E, 1, { 0x1F } },
	{0x4F, 1, { 0x1F } },
	{0x50, 1, { 0x1F } },
	{0x51, 1, { 0x05 } },
	{0x52, 1, { 0x07 } },
	{0x53, 1, { 0x07 } },
	{0x54, 1, { 0x13 } },
	{0x55, 1, { 0x11 } },
	{0x56, 1, { 0x1F } },
	{0x57, 1, { 0x1F } },
	{0x58, 1, { 0x40 } },
	{0x59, 1, { 0x00 } },
	{0x5A, 1, { 0x00 } },
	{0x5B, 1, { 0x30 } },
	{0x5C, 1, { 0x02 } },
	{0x5D, 1, { 0x30 } },
	{0x5E, 1, { 0x01 } },
	{0x5F, 1, { 0x02 } },
	{0x60, 1, { 0x30 } },
	{0x61, 1, { 0x01 } },
	{0x62, 1, { 0x02 } },
	{0x63, 1, { 0x03 } },
	{0x64, 1, { 0x6B } },
	{0x65, 1, { 0x75 } },
	{0x66, 1, { 0x08 } },
	{0x67, 1, { 0x73 } },
	{0x68, 1, { 0x02 } },
	{0x69, 1, { 0x03 } },
	{0x6A, 1, { 0x6B } },
	{0x6B, 1, { 0x07 } },
	{0x6C, 1, { 0x00 } },
	{0x6D, 1, { 0x04 } },
	{0x6E, 1, { 0x04 } },
	{0x6F, 1, { 0x88 } },
	{0x70, 1, { 0x00 } },
	{0x71, 1, { 0x00 } },
	{0x72, 1, { 0x06 } },
	{0x73, 1, { 0x7B } },
	{0x74, 1, { 0x00 } },
	{0x75, 1, { 0x3C } },
	{0x76, 1, { 0x00 } },
	{0x77, 1, { 0x0D } },
	{0x78, 1, { 0x2C } },
	{0x79, 1, { 0x00 } },
	{0x7A, 1, { 0x00 } },
	{0x7B, 1, { 0x00 } },
	{0x7C, 1, { 0x00 } },
	{0x7D, 1, { 0x03 } },
	{0x7E, 1, { 0x7B } },
	{0xE0, 1, { 0x01 } },
	{0x0E, 1, { 0x01 } },
	{0xE0, 1, { 0x03 } },
	{0x98, 1, { 0x2F } },
	{0xE0, 1, { 0x00 } },
	{0x11, 0, { 0x00 } },
	{REGFLAG_DELAY, REGFLAG_DELAY, { 200 } },
	{0x29, 0, { 0x00 } },
	{REGFLAG_DELAY, REGFLAG_DELAY, { 5 } },
	{REGFLAG_END_OF_TABLE, REGFLAG_END_OF_TABLE, {} }
};

static void LCD_panel_init(u32 sel)
{
	__u32 i;
	char model_name[25];
	disp_sys_script_get_item("lcd0", "lcd_model_name", (int *)model_name,
				 25);
	sunxi_lcd_dsi_clk_enable(sel);
	sunxi_lcd_delay_ms(20);
	sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SOFT_RESET);
	sunxi_lcd_delay_ms(10);

	for (i = 0;; i++) {
		if (LCM_LT080B21BA94_setting[i].count == REGFLAG_END_OF_TABLE)
			break;
		else if (LCM_LT080B21BA94_setting[i].count == REGFLAG_DELAY)
			sunxi_lcd_delay_ms(
			    LCM_LT080B21BA94_setting[i].para_list[0]);
#ifdef SUPPORT_DSI
		else
			dsi_dcs_wr(sel, LCM_LT080B21BA94_setting[i].cmd,
				   LCM_LT080B21BA94_setting[i].para_list,
				   LCM_LT080B21BA94_setting[i].count);
#endif
		/* break; */
	}

	return;
}

static void LCD_panel_exit(u32 sel)
{
	sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_OFF);
	sunxi_lcd_delay_ms(20);
	sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_ENTER_SLEEP_MODE);
	sunxi_lcd_delay_ms(80);

	return;
}

/* sel: 0:lcd0; 1:lcd1 */
static s32 LCD_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
{
	return 0;
}

/* sel: 0:lcd0; 1:lcd1 */
/*static s32 LCD_set_bright(u32 sel, u32 bright)*/
/*{*/
	/*sunxi_lcd_dsi_dcs_write_1para(sel,0x51,bright);*/
	/*return 0;*/
/*}*/

struct __lcd_panel inet_dsi_panel = {
	/* panel driver name, must mach the name of lcd_drv_name in sys_config.fex
	*/
	.name = "inet_dsi_panel",
	.func = {
	.cfg_panel_info = LCD_cfg_panel_info,
	.cfg_open_flow = LCD_open_flow,
	.cfg_close_flow = LCD_close_flow,
	.lcd_user_defined_func = LCD_user_defined_func,
	/*.set_bright = LCD_set_bright, */
	},
};
